import { isNumber } from "https://deno.land/x/30_seconds_of_typescript@v1.0.1/util.ts";
Checks if the given argument is a number.
Use typeof
to check if a value is classified as a number primitive.
To safeguard against NaN
, check if val === val
(as NaN
has a typeof
equal to number
and is the only value not equal to itself).